13873967 has 2 divisors, whose sum is σ = 13873968. Its totient is φ = 13873966.

The previous prime is 13873963. The next prime is 13873987. The reversal of 13873967 is 76937831.

It is a weak prime.

It is an emirp because it is prime and its reverse (76937831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13873967 - 2² = 13873963 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13873961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936983 + 6936984.

It is an arithmetic number, because the mean of its divisors is an integer number (6936984).

Almost surely, 2^13873967 is an apocalyptic number.

13873967 is a deficient number, since it is larger than the sum of its proper divisors (1).

13873967 is an equidigital number, since it uses as much as digits as its factorization.

13873967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 13873967 is about 3724.7774430159. Note that the first 3 decimals coincide. The cubic root of 13873967 is about 240.2888131858.

The spelling of 13873967 in words is "thirteen million, eight hundred seventy-three thousand, nine hundred sixty-seven".